The Mammut Trion 28 litre is a lightweight, versatile and robust mountaineering backpack. Ultra-light and extremely robust thanks to the high-quality Cordura material, and extraordinarily comfortable to wear. Elasticised chest strap for optimal comfort and a perfect fitLarge mesh pockets on the shoulder strapRoll-top closureExternal pocket with water-repellent zipReinforced side binding for skisTwo robust ice axe attachmentsTrekking pole holderHydration system compatibleRope attachment on flapSide and front tensionable compression strapsRemovable hip belt paddingForward-facing hip belt adjustmentComfortable thanks to anatomical shape and soft padding on hip belt and shoulder straps Mammut Trion 28l trekking backpack